An applet essentially mimicking a graphing calculator, this is used in a number of activities from the same author. Graph functions, experiment with parameters, distinguish between functions by graphi...More: lessons, discussions, ratings, reviews,...

Using this virtual manipulative you may: graph a function; trace a point along the graph; dynamically vary function parameters; change the range of values displayed in the graph; graph multiple functi...More: lessons, discussions, ratings, reviews,...

A Java applet that presents the formal, epsilon/delta definition of limits, with exercises and questions to answer with the applet. Includes a re-scalable presentation version with larger fonts.More: lessons, discussions, ratings, reviews,...

This applet demonstrates a logistic growth model which plots population P_i for i = 1 to i = 600 given user input for the initial population P_0, growth rate G and carrying capacity CC. The difference...More: lessons, discussions, ratings, reviews,...

This material is based upon work supported by the
National Science Foundation under Grant DUE-0226284.
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